CN213392707U - Novel antiseep chemical pump - Google Patents
Novel antiseep chemical pump Download PDFInfo
- Publication number
- CN213392707U CN213392707U CN202022202001.8U CN202022202001U CN213392707U CN 213392707 U CN213392707 U CN 213392707U CN 202022202001 U CN202022202001 U CN 202022202001U CN 213392707 U CN213392707 U CN 213392707U
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- sliding sleeve
- sealing ring
- bearing
- pump
- end sliding
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Abstract
The utility model discloses a novel antiseep chemical industry pump, main technical characteristics are: the inner ring does not have spacing cylindrical roller bearing is respectively installed at both ends about rotatable part, and cylindrical roller bearing's one end is fixed respectively in drive end sliding sleeve bearing part, non-drive end sliding sleeve bearing part's dead eye shoulder ring department, and cylindrical roller bearing's the other end is respectively through installing the bearing cap department at drive end sliding sleeve bearing part, non-drive end sliding sleeve bearing part, and the combination sealing device is installed respectively at bearing cap inner circle, and beneficial effect is: the service life of the sealing structure of the chemical pump is prolonged, the sealing performance is better, the potential safety hazard existing in the prior art is eliminated, the bearing capacity of the sealing structure is stronger by adopting a non-limiting cylindrical roller bearing, the sealing structure has very large adaptability to axial movement of a rotor, and the axial movement generated when the conveying medium of the pump fluctuates is eliminated, so that the service life of the pump is prolonged.
Description
Technical Field
The utility model relates to a chemical pump, especially a novel antiseep chemical pump.
Background
As is well known, chemical pump is used for carrying chemical fluid medium, and its seal structure can satisfy the normal operating of pump at the use initial stage of pump, along with the use of pump is along the lapse backward of time, makes the seal structure of pump seriously lose efficacy, leads to chemical pump along sealed department leakage medium, seriously influences the operation of pump. In addition, due to the complexity of the components of the chemical medium, safety accidents are easy to happen, and potential safety hazards exist.
The application number is CN201120034837. X's Chinese utility model discloses a just, tear formula sliding sleeve four bearing chemical industry pump open, through increasing a set of journal bearing, makes footstep bearing become independent footstep bearing, and the sliding sleeve is all established to whole three groups of four-piece antifriction bearings, under the prerequisite of guaranteeing the assembly precision, does not need specialized tool just can realize the dismouting of bearing not damaged. Meanwhile, the problems of bearing cooling, structural rigidity, complex stress of a thrust bearing, difficulty in disassembly and assembly and the like of the two-end supporting pump are solved, but the defects are still overcome. The disadvantages are as follows: the radial bearing adopts a deep groove ball bearing, and has the defects that when a pump rotor is axially moved in a string manner, the deep groove ball bearing is impacted by axial force, so that the service life of the bearing is shortened, the bearing can be damaged in serious conditions, and the efficiency of the pump is reduced due to the fact that the pump cannot reach a calibrated delivery flow. In addition, the traditional labyrinth oil seal is adopted by the bearing box oil seal, and when the clearance of the oil seal changes, the phenomenon of oil leakage occurs.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned prior art not enough, provide a novel antiseep chemical industry pump.
In order to overcome the technical problem, the utility model discloses a technical scheme is:
the method comprises the following steps: drive end sliding sleeve bearing part is installed to the left end of the pump body, passes through the bolt at the lower extreme of the pump body, the nut installs in the last interface of pump cover, installs non-drive end sliding sleeve bearing part at the right-hand member of the pump body, and the center hole cover of drive end sliding sleeve bearing part and non-drive end sliding sleeve bearing part has the rotation portion, and the left end of rotation part passes through the shaft coupling and links to each other characterized by with the motor: the left end and the right end of the rotating part are respectively provided with a cylindrical roller bearing without limiting inner rings, one end of each cylindrical roller bearing is respectively fixed at the bearing hole shoulder rings of the driving end sliding sleeve bearing part and the non-driving end sliding sleeve bearing part, the other end of each cylindrical roller bearing is respectively arranged at the bearing end covers of the driving end sliding sleeve bearing part and the non-driving end sliding sleeve bearing part, the combined sealing devices are respectively arranged at the inner rings of the bearing end covers,
the combined sealing device comprises a main sealing ring, an auxiliary sealing ring and three sealing rings, wherein the inner diameter of the main sealing ring is provided with two groups of concave rings, the outer diameter of a core part of the main sealing ring is connected with the inner diameter of a core part of the auxiliary sealing ring, the upper end of the main sealing ring is arranged in an inner hole of a bearing end cover, the sealing rings are arranged at the combination position of the inner diameter of the core part of the main sealing ring and the inner diameter of the core part of the auxiliary sealing ring, and the sealing rings are arranged at the combination position of the auxiliary sealing ring and a rotating part.
Compared with the prior art, the beneficial effects of the utility model are that: the service life of the sealing structure of the chemical pump is prolonged, the sealing performance is better, the potential safety hazard existing in the prior art is eliminated, the bearing capacity of the sealing structure is stronger by adopting a non-limiting cylindrical roller bearing, the sealing structure has very large adaptability to axial movement of a rotor, and the axial movement generated when the conveying medium of the pump fluctuates is eliminated, so that the service life of the pump is prolonged.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of the area a shown in fig. 1.
Fig. 3 is a partially enlarged view of the region B shown in fig. 2.
Detailed Description
As can be seen from fig. 1-3, the method comprises: the left end of the pump body 4 is provided with a driving end sliding sleeve bearing part 2, the lower end of the pump body 4 is arranged in an upper interface of the pump cover 3 through bolts and nuts, the right end of the pump body 4 is provided with a non-driving end sliding sleeve bearing part 5, central inner holes of the driving end sliding sleeve bearing part 2 and the non-driving end sliding sleeve bearing part 5 are sleeved with a rotating part 1, the left end of the rotating part 1 is connected with a motor through a coupler, the left end and the right end of the rotating part 1 are respectively provided with a cylindrical roller bearing 6 without limit of an inner ring, one end of the cylindrical roller bearing 6 is respectively fixed at the bearing hole shoulder ring 12 of the driving end sliding sleeve bearing part 2 and the non-driving end sliding sleeve bearing part 5, the other end of the cylindrical roller bearing 6 is arranged at the bearing end cover 13 of the sliding sleeve bearing part 2 and the,
the combined sealing device 7 comprises a main sealing ring 8, an auxiliary sealing ring 9 and three sealing rings, wherein the inner diameter of the main sealing ring 8 is provided with two groups of concave rings 11, the outer diameter of the core part of the main sealing ring 8 is connected with the inner diameter of the core part of the auxiliary sealing ring 9, the upper end of the main sealing ring 8 is arranged in the inner hole of the bearing end cover 13 and is provided with a sealing ring 10 at the joint of the main sealing ring 8 and the inner diameter of the core part of the bearing end cover 13, the sealing ring 10 is arranged at the joint of the outer diameter of the core part of the main sealing ring 8 and the inner diameter of the core part of the auxiliary sealing ring 9. Sealing packings, which are respectively arranged in the concave rings 11 of the primary sealing ring 8.
The cylindrical roller bearing 6 without the limit of the inner ring has stronger bearing capacity and very large adaptability to the axial serial motion of the rotor, the axial serial motion generated when the pump conveying medium fluctuates has little influence on the bearing, the service life of the bearing is greatly prolonged, and the fault rate of the bearing is reduced.
The combined sealing device 7 is compact in structure, and the labyrinth structures of the sealing filler, the sealing rings at each joint and the auxiliary sealing ring 9 are combined, so that gaps at each position are not easy to change when a pump runs, the lubricating oil is prevented from leaking, the running efficiency of the pump is improved, the chemical medium is prevented from leaking, and the potential safety hazard in the prior art is eliminated.
The present invention is not limited to the precise arrangements described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (2)
1. A novel anti-leakage chemical pump, comprising: drive end sliding sleeve bearing part (2) are installed to the left end of the pump body (4), pass through the bolt at the lower extreme of the pump body (4), the nut is installed in the last interface of pump cover (3), install non-drive end sliding sleeve bearing part (5) at the right-hand member of the pump body (4), the center hole cover of drive end sliding sleeve bearing part (2) and non-drive end sliding sleeve bearing part (5) has rotating member (1), the left end of rotating member (1) passes through the shaft coupling and links to each other characterized by with the motor: the left end and the right end of the rotating part (1) are respectively provided with a cylindrical roller bearing (6) without limiting inner rings, one end of the cylindrical roller bearing (6) is respectively fixed at the bearing hole shoulder rings (12) of the driving end sliding sleeve bearing part (2) and the non-driving end sliding sleeve bearing part (5), the other end of the cylindrical roller bearing (6) is respectively arranged at the bearing end covers (13) of the driving end sliding sleeve bearing part (2) and the non-driving end sliding sleeve bearing part (5), the combined sealing device (7) is respectively arranged at the inner rings of the bearing end covers (13),
the combined sealing device (7) comprises a main sealing ring (8), an auxiliary sealing ring (9) and three sealing rings, wherein the inner diameter of the main sealing ring (8) is provided with two sets of concave rings (11), the outer diameter of a core part of the main sealing ring (8) is connected with the inner diameter of the core part of the auxiliary sealing ring (9), the upper end of the main sealing ring (8) is installed in the inner hole of a bearing end cover (13) and is used for arranging the sealing ring (10) at the joint of the inner diameter of the core part of the main sealing ring (8) and the inner diameter of the core part of the auxiliary sealing ring (9), the sealing ring (10) is arranged at the joint of the auxiliary sealing ring (9) and a rotating part (1).
2. The novel anti-leakage chemical pump as claimed in claim 1, wherein: the sealing packing is arranged in the concave rings (11) of the main sealing ring (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022202001.8U CN213392707U (en) | 2020-09-30 | 2020-09-30 | Novel antiseep chemical pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022202001.8U CN213392707U (en) | 2020-09-30 | 2020-09-30 | Novel antiseep chemical pump |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213392707U true CN213392707U (en) | 2021-06-08 |
Family
ID=76184763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202022202001.8U Active CN213392707U (en) | 2020-09-30 | 2020-09-30 | Novel antiseep chemical pump |
Country Status (1)
Country | Link |
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CN (1) | CN213392707U (en) |
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2020
- 2020-09-30 CN CN202022202001.8U patent/CN213392707U/en active Active
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